The strength or weakness of a jawline can define the attractiveness of a face. The great news is the chin is one of the most treatable parts of the face.
The least invasive option is to use fillers along the jawline to strengthen your profile. Placing RADIESSE® can give results for 6-9 months. Multiple treatments of ArteFill® can give more permanent results. Using fillers is a great way to preview results and adjust the amount of augmentation you'd like.
I understand your concern about chin implants looking unnatural, but there are many surgeons who work to properly balance the face, not to over-enhance the chin. It is a very straightforward and minimally invasive procedure to place a chin implant, and implant size is customizable. I recommend an implant for a more severe facial proportion imbalance. With a very quick recovery, the proportions of your face can be greatly improved, and no more loose skin or embarrassing photos.